Re: [Proposal] Table-level Transparent Data Encryption (TDE) and KeyManagement Service (KMS) - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: [Proposal] Table-level Transparent Data Encryption (TDE) and KeyManagement Service (KMS)
Date
Msg-id 20190705194116.cswvzmc65kuz2mht@momjian.us
Whole thread Raw
In response to Re: [Proposal] Table-level Transparent Data Encryption (TDE) and KeyManagement Service (KMS)  (Joe Conway <mail@joeconway.com>)
List pgsql-hackers
On Sun, Jun 16, 2019 at 07:07:20AM -0400, Joe Conway wrote:
> On 6/15/19 9:28 PM, Bruce Momjian wrote:
> > There are no known non-exhaustive plaintext attacks on AES:
> > 
> >     https://crypto.stackexchange.com/questions/1512/why-is-aes-resistant-to-known-plaintext-attacks
> 
> Even that non-authoritative stackexchange thread has varying opinions.
> Surely you don't claim that limiting know plaintext as much as is
> practical is a bad idea in general.

AES is used to encrypt TLS/https, and web traffic is practically always
mostly-known plaintext.  I don't know of any cases where only part of a
webpage is encrypted by TLS to avoid encrypting known plaintext.

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

+ As you are, so once was I.  As I am, so you will be. +
+                      Ancient Roman grave inscription +



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